7816561204676 has 48 divisors (see below), whose sum is σ = 16038891939840. Its totient is φ = 3263415311520.

The previous prime is 7816561204663. The next prime is 7816561204729. The reversal of 7816561204676 is 6764021656187.

It is a super-2 number, since 2×7816561204676² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8108540 + ... + 9021171.

It is an arithmetic number, because the mean of its divisors is an integer number (334143582080).

Almost surely, 2^{7816561204676} is an apocalyptic number.

It is an amenable number.

7816561204676 is an abundant number, since it is smaller than the sum of its proper divisors (8222330735164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7816561204676 is a wasteful number, since it uses less digits than its factorization.

7816561204676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17130144 (or 17130142 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 7816561204676 in words is "seven trillion, eight hundred sixteen billion, five hundred sixty-one million, two hundred four thousand, six hundred seventy-six".